Home / 56,321.20-77,723.27-35,100.55

Finding the Fourth Proportional to 56,321.20, 77,723.27 and 35,100.55

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Solution

The fourth proportional to 56,321.20, 77,723.27 and 35,100.55 is: 48,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.20 : 77,723.27 = 35,100.55 : x
  2. Step 2: Convert to fraction form
    56,321.20/77,723.27 = 35,100.55/x
  3. Step 3: Cross multiply
    56,321.20x = 77,723.27 × 35,100.55
  4. Step 4: Simplify right side
    56,321.20x = 2,728,129,349.30
  5. Step 5: Solve for x
    x = 2,728,129,349.30/56,321.20
  6. Step 6: Final answer
    x = 48,438.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.